/*
 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
#ifndef __LWIP_API_MSG_H__
#define __LWIP_API_MSG_H__

#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/sys.h"

#include "lwip/ip.h"

#include "lwip/udp.h"
#include "lwip/tcp.h"

#include "lwip/api.h"

enum api_msg_type {
    API_MSG_NEWCONN,
    API_MSG_DELCONN,

    API_MSG_BIND,
    API_MSG_CONNECT,
    API_MSG_DISCONNECT,

    API_MSG_LISTEN,
    API_MSG_ACCEPT,

    API_MSG_SEND,
    API_MSG_RECV,
    API_MSG_WRITE,

    API_MSG_CLOSE,

    API_MSG_MAX
};

struct api_msg_msg
{
    struct netconn *conn;
    enum netconn_type conntype;
    union
    {
        struct pbuf *p;
        struct
        {
            struct ip_addr *ipaddr;
            u16_t port;
        } bc;
        struct
        {
            void *dataptr;
            u16_t len;
            unsigned char copy;
        } w;
        u16_t len;
    } msg;
};

struct api_msg
{
    enum api_msg_type type;
    struct api_msg_msg msg;
};

typedef void (*api_msg_decode)(struct api_msg_msg *);

extern api_msg_decode __decode__[API_MSG_MAX];

#define api_msg_input(m) __decode__[m->type](&(m->msg))
#define api_msg_post(m)  tcpip_apimsg(m)

#endif /* __LWIP_API_MSG_H__ */
